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JBL Professional JBL Professional
8500 Balboa Blvd. 8370 Balboa Blvd., Dock D
Northridge, CA 91329 Northridge, CA 91329
Customer Service: On the World Wide Web:
Monday through Friday www.jblpro.com
8:00am - 5:00pm
pacific coast time in the U.S.A. Product Registration:
(800) 8JBLPRO (800.852.5776) Register your product online at
www.jblproservice.com www.jblpro.com/registration
© Copyright 2003 JBL Professional
JBL Professional Contacts
Inspection, Maintenance and Liability
Suspension systems are comprised of mechanical devices and, as such, they require regular inspection and routine main
-
tenance to ensure that safety has not been compromised. The JBL SoundFactor Install loudspeakers and associated sus-
pension components must be inspected f
or fatigue at least annually and immediately following exposure to impact,
mechanical shoc
k, fire, water or other hazard. The inspection must include a visual survey of all corners and load bearing
surfaces for signs of cracking, water damage, de-lamination, and any other condition that may decrease the strength of
the loudspeaker enclosure or associated suspension components. The forged shoulder eyebolts provided with the JBL
SoundFactor Install loudspeakers must be inspected for fatigue at least annually. The inspection must include a visual sur-
vey of the material for signs of corrosion, bending or any other condition that may decrease the strength of the fastener.
Additionally, the eyebolts must be checked for possible spin-out of the enclosure. For all other hardware and fittings, refer
to the hardware manufacturer's inspection and maintenance guidelines for process. Should any signs of unsafe conditions
be observed, repair or replacement of the deteriorated component(s) must be completed before anyone other than some-
one performing the repair is allowed access to the vicinity of the unsafe condition.
Note:
The working load limit (WLL) of the JBL SoundFactor Install loudspeakers includes; a design factor equivalent to or
exceeding ASME B30.20, VBG70, VBG9a and the manufacturer's proprietary performance standard.
All implied warranties, including warranties of merchantability and fitness for particular purpose, are limited in duration to
the length of the warranty. JBL's liability shall in no event exceed the cost of any defective product and shall not include
incidental or consequential damages of any kind, even if JBL has been advised of the possibility. Some states do not allow
limitations on how long certain warranties last and/or do not allow exclusion of incidental or consequential damages, so
the above limitations and exclusions may not apply to you. This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state.
JBL is not responsible for the application of its products for any purpose or the misuse of this information for any purpose.
Furthermore, JBL is not responsible for the abuse of its products caused by avoiding compliance with inspection and main-
tenance procedures or any other abuse.
Allen Products ATM Fly-Ware
(562) 424-1100 (888) RIG-MORE / (310) 834-5914
1635 E. Burnett Street 2100 South Wilmington Avenue
Signal Hill, CA 90806 Carson, CA 90810
www.allenproducts.com www.atmflyware.com
M.A.N. Flying Systems McMaster Carr
20 Sidar Road Various locations through the United States.
Brook Road Industrial estate For a location near you, visit them online at
Rayleigh, Essex SS6 7XF www.mcmaster.com
www.manfly.co.uk
JBL Professional - Tech Note V1 No. 14
“Basic Principles For Suspending Loudspeakers”
www.jblpro.com/technote/tn_v1n14.pdf
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